Update README, setting out the roadmap for kmchart-2.0.
Update README, setting out the roadmap for kmchart-2.0.

aeg-aeg/pcpfans,prasincs/pcp,prasincs/pcp,prasincs/pcp,prasincs/pcp,wuliming/pcp,adfernandes/pcp,edwardt/pcp,aeg-aeg/pcpfans,mbaldessari/pcp,andyvand/cygpcpfans,andyvand/cygpcpfans,andyvand/cygpcpfans,mbaldessari/pcp,andyvand/cygpcpfans,tjanez/pcp,wuliming/pcp,edwardt/pcp,tjanez/pcp,adfernandes/pcp,adfernandes/pcp,prasincs/pcp,andyvand/cygpcpfans,adfernandes/pcp,mbaldessari/pcp,wuliming/pcp,adfernandes/pcp,edwardt/pcp,edwardt/pcp,prasincs/pcp,edwardt/pcp,edwardt/pcp,aeg-aeg/pcpfans,tjanez/pcp,mbaldessari/pcp,wuliming/pcp,edwardt/pcp,andyvand/cygpcpfans,tjanez/pcp,adfernandes/pcp,wuliming/pcp,aeg-aeg/pcpfans,tjanez/pcp,aeg-aeg/pcpfans,aeg-aeg/pcpfans,tjanez/pcp,tjanez/pcp,mbaldessari/pcp,adfernandes/pcp,adfernandes/pcp,mbaldessari/pcp,prasincs/pcp,wuliming/pcp,wuliming/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,wuliming/pcp,andyvand/cygpcpfans,prasincs/pcp,edwardt/pcp,tjanez/pcp,aeg-aeg/pcpfans